| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.66 | 0.01 |
| Feb | 0.86 | 0.80 | 0.06 |
| Mar | 1.58 | 1.67 | -0.09 |
| Apr | 3.00 | 3.02 | -0.02 |
| May | 4.24 | 4.02 | 0.22 |
| Jun | 4.59 | 4.58 | 0.01 |
| Jul | 3.49 | 3.32 | 0.17 |
| Aug | 3.64 | 3.73 | -0.09 |
| Sep | 3.08 | 3.06 | 0.02 |
| Oct | 2.42 | 2.41 | 0.01 |
| Nov | 1.35 | 1.22 | 0.13 |
| Dec | 1.00 | 0.96 | 0.04 |
29.92 | 29.45 | 0.47 |